Solar Panel Tilt Angle for Latitude 40°
Annual, summer, and winter optimal angles for 40° latitude
Optimal Tilt Summary
| Annual Average | Summer Optimal | Winter Optimal |
|---|---|---|
| 36° | 25° | 55° |
Monthly Optimal Tilt Angle
| Month | Optimal Angle |
|---|---|
| Jan | 61.3° |
| Feb | 53.3° |
| Mar | 42.8° |
| Apr | 30.6° |
| May | 21.2° |
| Jun | 16.7° |
| Jul | 18.5° |
| Aug | 26.2° |
| Sep | 37.8° |
| Oct | 49.6° |
| Nov | 59.1° |
| Dec | 63.3° |
Nearby Latitude Comparison
| Latitude | Annual Average | Summer Optimal | Winter Optimal |
|---|---|---|---|
| 30° | 27° | 15° | 45° |
| 35° | 31.5° | 20° | 50° |
| 40° → | 36° | 25° | 55° |
| 45° | 40.5° | 30° | 60° |
| 50° | 45° | 35° | 65° |